Dual blade lawnmower



FIG. 1 is a front perspective view of a dual blade lawnmower showing our new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view of the dual blade lawnmower. The portion inside the broken lines is shown in de-emphasized and half-tone form so as to illustrate environmental structures and forms no part of the claimed invention. 

CLAIM The ornamental design for a dual blade lawnmower therefor, as shown and described. 